Occurrence and Phase Distribution of Neutral and Ionizable Per- and Polyfluoroalkyl Substances (PFASs) in the Atmosphere and Plant Leaves around Landfills: A Case Study in Tianjin, China
Abstract
A total of 23 per- and polyfluoroalkyl substances (PFASs) were investigated in the air, dry deposition, and plant leaves at two different landfills and one suburban reference site in Tianjin, China. The potential of landfills as sources of PFASs to the atmosphere and the phase distribution therein were evaluated. The maximum concentrations of ∑PFASs in the two landfills were up to 9.5 ng/m 3 in the air, 4.1 μg/g in dry deposition, and 48 μg/g lipid in leaves with trifluoroacetic acid and perfluoropropionic acid being dominant (71%–94%). Spatially, the distribution trend of ionizable and neutral PFASs in all three kinds of media consistently showed the central landfill > the downwind > the upwind > the reference sites, indicating that landfills are important sources to PFASs in the environment. Plant leaves were found effective in uptake of a variety of airborne PFASs including polyfluoroalkyl phosphoric acid diesters, thus capable of acting as a passive air sampling approach for air monitoring.
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PFAS levels in core sediment samples from the Great Lakes region of North America in 2006 and 2009 were higher in the top layers than the deeper layers.
“PFAS levels were measured in core sediment samples collected from the Great Lakes region of North America in 2006 and 2009, and were also higher in the top layers [28] than the deeper layers [63].”
From Worldwide trends in tracing poly- and perfluoroalkyl substances (PFAS) in the environment (2019) · cites this paper as [28]
To increase recovery of short-chain PFCAs (C2-C4), Tian et al. suggested use of an ion-exchange column for HPLC separation.
“To increase the recovery of short-chain PFCAs (C2eC4), Tian et al. suggested the use of an ionexchange column (Shodex RSpak JJ-50 2D; Showa Denko America, Inc., New York, NY, USA) for HPLC separation [28].”
From Worldwide trends in tracing poly- and perfluoroalkyl substances (PFAS) in the environment (2019) · cites this paper as [28]
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References 75 · Cited by 223
- Authors
- Tian, Y., Yao, Y., Chang, S., Zhao, Z., Zhao, Y., Yuan, X., Wu, F., & Sun, H.
- Affiliations
- Nankai University (CN)
- Chinese Research Academy of Environmental Sciences (CN)
- Corresponding author
- Sun, Hongwen
- Venue
- Environmental Science & Technology
- Publisher
- American Chemical Society (ACS)
- Published
- 2018-01-19
- Volume
- 52
- Issue
- 3
- Pages
- 1301-1310
- ISSN
- 0013-936X (ISSN-L)
- 1520-5851
- OpenAlex
- W2783789842
- Cited by
- 223
- References
- 75
- Citations by year
- 2026: 27 · 2025: 35 · 2024: 36 · 2023: 27 · 2022: 28 · 2021: 27 · 2020: 17 · 2019: 16 · 2018: 10
- FWCI
- 9.14
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Environmental Science & Technology (publishedVersion)
- PubMed (publishedVersion)
- Funders
- Ministry of Education of the People's Republic of China (20130031110027, IRT13024, T2017002)
- National Natural Science Foundation of China (41225014, 41573097, 41603101)
- Topics
- Physical Sciences › Environmental Science › Environmental Chemistry › Per- and polyfluoroalkyl substances research
- Physical Sciences › Environmental Science › Health, Toxicology and Mutagenesis › Toxic Organic Pollutants Impact
- Life Sciences › Pharmacology, Toxicology and Pharmaceutics › Pharmaceutical Science › Fluorine in Organic Chemistry
- Keywords
- per- and polyfluoroalkyl substances, PFASs, landfill, dry deposition, leaves, phase distribution, passive air sampling, landfill emissions, Tianjin
- MeSH terms
- Atmosphere, China, Environmental Monitoring, Fluorocarbons, Plant Leaves, Waste Disposal Facilities
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